<!doctype html>
<title>Selection.deleteFromDocument() tests</title>
<link rel=author title="Aryeh Gregor" href=ayg@aryeh.name>
<p>To debug test failures, add a query parameter with the test id (like
"?5").  Only that test will be run.  Then you can look at the resulting
iframes in the DOM.
<div id=log></div>
<script src=http://w3c-test.org/resources/testharness.js></script>
<script src=http://w3c-test.org/resources/testharnessreport.js></script>
<script src=common.js></script>
<script>
"use strict";

// We need to use explicit_done, because in Chrome 16 dev and Opera 12.00, the
// second iframe doesn't block the load event -- even though it is added before
// the load event.
setup({explicit_done: true});

// Specified by WebIDL
test(function() {
	assert_equals(Selection.prototype.deleteFromDocument.length, 0,
		"Selection.prototype.deleteFromDocument.length must equal 0");
}, "Selection.prototype.deleteFromDocument.length must equal 0");

testDiv.parentNode.removeChild(testDiv);

// Test an empty selection too
testRanges.unshift("empty");

var actualIframe = document.createElement("iframe");

var expectedIframe = document.createElement("iframe");

var referenceDoc = document.implementation.createHTMLDocument("");
referenceDoc.removeChild(referenceDoc.documentElement);

actualIframe.onload = function() {
	expectedIframe.onload = function() {
		for (var i = 0; i < testRanges.length; i++) {
			if (location.search && i != Number(location.search)) {
				continue;
			}

			test(function() {
				initializeIframe(actualIframe, testRanges[i]);
				initializeIframe(expectedIframe, testRanges[i]);

				var actualRange = actualIframe.contentWindow.testRange;
				var expectedRange = expectedIframe.contentWindow.testRange;

				assert_equals(actualIframe.contentWindow.unexpectedException, null,
					"Unexpected exception thrown when setting up Range for actual deleteFromDocument");
				assert_equals(expectedIframe.contentWindow.unexpectedException, null,
					"Unexpected exception thrown when setting up Range for simulated deleteFromDocument");

				actualIframe.contentWindow.getSelection().removeAllRanges();
				if (testRanges[i] != "empty") {
					assert_equals(typeof actualRange, "object",
						"Range produced in actual iframe must be an object");
					assert_equals(typeof expectedRange, "object",
						"Range produced in expected iframe must be an object");
					assert_true(actualRange instanceof actualIframe.contentWindow.Range,
						"Range produced in actual iframe must be instanceof Range");
					assert_true(expectedRange instanceof expectedIframe.contentWindow.Range,
						"Range produced in expected iframe must be instanceof Range");
					actualIframe.contentWindow.getSelection().addRange(actualIframe.contentWindow.testRange);
					expectedIframe.contentWindow.testRange.deleteContents();
				}
				actualIframe.contentWindow.getSelection().deleteFromDocument();

				assertNodesEqual(actualIframe.contentDocument, expectedIframe.contentDocument, "DOM contents");
			}, "Range " + i + ": " + testRanges[i]);
		}
		actualIframe.style.display = "none";
		expectedIframe.style.display = "none";
		done();
	};
	expectedIframe.src = "test-iframe.html";
	document.body.appendChild(expectedIframe);
	referenceDoc.appendChild(actualIframe.contentDocument.documentElement.cloneNode(true));
};
actualIframe.src = "test-iframe.html";
document.body.appendChild(actualIframe);

function initializeIframe(iframe, endpoints) {
	while (iframe.contentDocument.firstChild) {
		iframe.contentDocument.removeChild(iframe.contentDocument.lastChild);
	}
	iframe.contentDocument.appendChild(iframe.contentDocument.implementation.createDocumentType("html", "", ""));
	iframe.contentDocument.appendChild(referenceDoc.documentElement.cloneNode(true));
	iframe.contentWindow.setupRangeTests();
	if (endpoints != "empty") {
		iframe.contentWindow.testRangeInput = endpoints;
		iframe.contentWindow.run();
	}
}
</script>
